When ____ to feel unworthy, children often work extra hard to please their parents．
#96107
A
to make
B
making
C
made
D
having made
推荐题目
Follow the directions on the bottle carefully when _______.
#97985
A
you will take the medicine
B
taking the medicine
C
to take the medicine
D
taken the medicine
Oil prices have risen by32 percent since the start of the year,_____a record US $57.65 a barrel on April 4.
#98031
A
have reached
B
reaching
C
to reach
D
to be reaching
The chair looks rather hard, but in fact it is very comfortable to _______.
#89763
A
sitting
B
sit on
C
sit
D
being sat on
The findings of the research, _________ on a lot of experiments, are convincing.
#96102
A
to base
B
based
C
is based
D
basing
----Why did you go back to the shop? -----I left my friend _____there.
#96202
A
waiting
B
to wait
C
wait
D
waits